Car-door-shaft-operating mechanism.



y lNo.g 847,956. PATENTBD MAR. 19, 1907.

0. A. LINDSTRM a J. F. STRBIB.

CARDOOR SHAFT OPERATING MCHANISM.

APPLIQATION FILED oom, 1906.

WITNESSEI INYEN'IORS N. 847,956. P'ATBNTED MAR. 19, 1907.

l G. A. LINDSTRM & J. F. SIYREIB. I GAR DOOR SHAFT OPERATING MEGHANISM.

APEL'IQATION FILED 0011.5. la'oe.

A 5 SHEETS-suma.

WITNESSES No. 847,956. PATENTED'MAR. 19, 1907.

c. A. LINDSTRM & J. F. STRBIB. A

cAR D003 SHAFT OPERATING MBGHANISM'. i APPLIOATION FILED 00T. 5.*1906.

' 5 SHEBTSf-BIEBT' 8.

PATENTTD MAR. 19,11907. TRBIB.

c. A. LINDSTRM & J. T. s cAR D003 sHATT `QTERATITG MEGHANISM. APPLICATION TILE-D ooT.5. 190e. f

Cd www @@TAJA PATBNTED MAB. 19,-19o1.

5 annu-annu.

c. A; LINDSTRM &

cARDoOR SHAFT' OPERATING `lsaclsmN ISM l APPLICATION II'LED 00T. 5. 1906.V

UNITED SPATES PATEN '1 )FFIUJLL CHARLES A. LINDSTROM, OE AL-LECi-iENY, AND JOHN E' 'STREIR OF 'AvALoN,` PENNSYLVANIA, ASSIGNORS To PRESSED STEEL CAR COMPANY, oF

PITTSBURG, PENNsYLvANiA, A CORPORATION OE NEW JERSEY.

' CAR-DOOR-SHAFT-OPERATING MECHANISNI.

specification' of Letters Patent.

Application filed October 5, 1906. Serial No. 337,530.

Patented March 19, 190;?.v

To atl-Z wit/1m it 'may concern/.-

Be it known that we, CHARLES A. Limi-. STRM, of Allegheny, Allegheny county'v;

our invention applied thereto. Fig.' 2 isa `side elevationof the same. Fig. 3 is an end elevation of one-half of the car. Fig. 4. is a plan view'of one-half of one end portion of the car with the'car-body in Section. Fig. 5 is an enlarged section on the line V V of Fig. 1, and Fig. 6 is an enlarged section on the line VI VI of Fig. 1.

Our invention has relation to mechanism for operating car-door shafts of the type commonly known as creepin shaftsthat is to sa shafts which move odily underneath the oors during the opening and closing of the same. While we have illustrated the invention as applied to a creeping' shaft of the particular arrangement described and claimed in the copending application of John F. Streib, one of the applicants herein, Serial No. 337,529, filed October 5, 1906, our invention is applicable to various other arrangements.

The obj ect of our invention is to provide a simple and eflicient lever and gear movement by means of which a creeping shaft maybe 'moved from one' position to the other, also to provide means whereby the door may be locked at any desired partiallyfopenposition.

With theseobjects in view our invention consists in the novel construction, arrangement, and Y'combination of parts, all substantially as hereinafterl described, and pointed out in the appended claims. A

l n the accompanying drawings the numeral .2 designates the side of the car, and 3 are the diaphragms or transoms between which are hinged to the center Sill 4 the downwardlyopening doors 5, which constitute the major.A

portion of the floorv of the car. The diaphragme 3 are preferably of the deep hollow form described and claimed in the pending application of Charles A. Lindstrom, one of the applicants herein, Serial No. 330,808, filed August 16, 1906. l

6 designates the creeping shaft, which is arranged underneath the doors. As Shown in Fig. 1, one of these shafts is provided for eachseries of doors, there being four shafts in all, one at each side of the car and extending fron the center to the-end of the car at each en In the particular arrangement of the shaft shown-the inner ends are slid ably mounted in slotted brackets 7, which are secured to the transom 3, which are formed with correlsponding slots 8.- The bracket is formed slots, and one or more of them maybe providedwith the bracket 7 andrack 9, as

shown in Figs. 1 vand 2. Secured to each shaft 6 are a series of doorfoperating arms 11,

there being preferably two of these arms for.

each door. The normal positions of these arms (that is to say, their positions when the doors are closed) is shown 'in Fig. 1, in whichy their free end portions are in en agement with wear-plates 12, secured to t e vunder side of the doors.

Each of said arms isv formed with the convex edge I3 and approximately Hat opposite edge 13a.

Secured to the end sill 14 of the car is aV bracket 15, having a slot 15aL therein, which is of corresponding form to the slot 8in the bracket 7 and through which' extends the end portion of this shaft withinbracket 1 5 is a gear-Wheel 16, whose teeth engage the lend portion ofthe shaft 6. Secured to the teeth of a pinion 17, which is xed to a stubf I shaft 18. The cylindrical end portion of the shaft '6 and the stub-shaft 18 are journale'd in the box or carriage 18, which is arranged to slide in the. Slot '15? Loosely fulcrumed on the projecting end portion of the stub- ;shaft 18 is an operating-lever 19, Whosefree tion shown in shaft- 6, Its pinion or pinions 10V traveling in ofthe door-supportingy arms 11 under side of A on' the c lindrical end.

Ini the c move down the slot 15 bracket. engagementxwithi any one of these teeth 26 shafts, 6 and 118 duringth latch 20lan moved upwardly through the l 'the pawl 22, thereb -andl th Furth tion'able iir end portion is normally secured in the posi- Fig. 3 by means of a gravitylatch device- 20. APivoted to the lever 19 at thel point 21 is'a1 pawl 22, 'Whose fre end en-` l gages the teeth of a rl tchet-wheel 23, which j is also iixed'to the stub-shaft 18. J

heI lever 19 is released from the more fully described and claimed, the present .invention having relation to the lever and gear mechanism for operating the creeping shaft.`

Various changes may tails of construction and be made in the dearrangement with` out departing from the spirit and scope of our invention, since ratchet A23 is rotated by l y What we' claim is- ,-rotating the pinion 17 1. In car-door-operating mechanism a This rotates the creeping shaft, a lever, and a pand-and ratchet ldevice operated by the lever and geared to the creeping shaft; substantially as described.' l

2. In cardoor-o'perating mechanism, a creeping shaft,l a gear-Wheel thereon, a stubslia arranged to move with the creeping shaft, a pinion on the stub-shaft engaging th( gear-wheel, an actuating-lever, and a pawland-ratchet mechanism operated by the lever for rotatingtlie stub-shaft and pinion subarc of acircle, .the

el gearewheef 16';A

the racks 9, and the shafts 6 and 18, together with the carriage 18a, move out of the horizontal. up er portion of the slot 15a and l down the inc ined portionI of the said. slot. l During this movement theconvex edges 13 ride on the the doors, which are gradually loweredfto the position shown indotted lines l in Fig. 6 until theyrest upon the shaft 6.

erinovement of the lever 19 moves the stantially as described.

arms A11- intov the position shown in dotted g In car-door-operating mechanism, a lines insaidf figure. j creeping shaft having door-supporting means,

For the purpose of locking the door in: para gear-wlieel on the shaft, a stub-shaft mounttially-open position a paWl 25 is loosely hung ed to move with the creeping shaft, a pinion portion of the shaft 6. on the stub-shaft meshing withv the gearosed osition of the doors lthis paWl Wheel, an actuating-lever, and a paWl-andloosely depen s through a slot inv the bracket ratchet device operated by said lever for ro- 15,` andas the shaft 6 and gear-Wheel 16 tating the pinion ,substantially as described.

this paWl rides over a 4. In car-door-operating mechanism, a semes of fixed ratchet teeth 26 on said creeping shaft, a slotted bracket in which sai to thereby lock the door in position. To. close the doors, the lever 19 is moved in' the reverse position, and as soon as the convex edges 13 of the arms 11 come in con-tact with the under side of the doors the .gradually raised thereby to their partially-open y bracket, intermeshing 'gearing on said shafts, and lever-operated means for actua-ting the gearing substantially as described.

In car-door-operating mechanism, a 1 creeping shaft, a stub-shaft mounted to move C.

is operation move ,i to' their normal po upwardly iny the slot 15*gt 3. It will be seenl shaft, and paWl-and-ratchet means operatedv Stons,. as shown in.

by the lever for rotating the stub-shaft and that-a si' e lever controls the operation of a gearing; substantially as described.

series of oorsthrough the mechanism del In car-door-operating mechanism, a

scribed. creeping shaft, a stub-shaft mounted to move The advantages ofou-r invention consist in with. the creeping shaft and geared thereto,

the provision-of door-operating'means Wherea slotted bracket in which. said shafts are by We obviate the use of the usual chains at-.l mounted to move, said bracket having teeth taehed: to the doors. Such. chains are objecthat they are in the Way of the discharge of the-lading and are, furthermore, si`i.\b{oectl to' breakage. serif doors beinggsapported during their opening l thereon, a pawl carried by the creeping shaft and arranged tov engage in said teeth, and means for actuating Vsaid shafts substantially as described..

7. Inj, car-door-operating mechanism, a vei-ee'ping shaft, a slotted bracket in which andclosing-movements. said shaft is mounted to move, a stub-shaft Those features of the arrangement herein f also mounted to move in the slot of the shownfand'describedfwhich have relation to bracket, and geared to the creepinfT shaft the manner of ereeping'shaft and its do form, as above stated, the a copendingapplication,

IOO

8. In 'car-door-operatng mechamism,v a. l' v-In sestimonyfwhereo we havehereunto cllleepln? shaft, a sliotted bracket l set ouf-hands. t e s a t is mounte anactuatinge ever A crmednecentrcally of said shaft, interme- E l gggLFI-jssllgDsTRoM' 5 diete gear between the lever and the shaft ari 'I ranged to move with saidshaft, and means] `Wim asses". forlocking the creepingshaft at different po- L. RQBINSON; sitions; substantially as described'. ELl lB. FISHER. 

